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Date: Tue, 12 Mar 2024 05:25:46 +0000
From: Wei Liu <wei.liu@kernel.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Wei Liu <wei.liu@kernel.org>,
	Nuno Das Neves <nunodasneves@linux.microsoft.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the hyperv tree
Message-ID: <Ze_nWnzKvw4kI_l5@liuwe-devbox-debian-v2>
References: <20240312151807.52478738@canb.auug.org.au>
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On Tue, Mar 12, 2024 at 03:18:07PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the hyperv tree, today's linux-next build (i386 defconfig)
> failed like this:
> 
> arch/x86/kernel/cpu/mshyperv.c:355:5: error: no previous prototype for 'hv_get_hypervisor_version' [-Werror=missing-prototypes]
>   355 | int hv_get_hypervisor_version(union hv_hypervisor_version_info *info)
>       |     ^~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors

We noticed this as well.  A fix has been sent out. I will update the tree
shortly.

Thanks,
Wei.

> 
> Caused by commit
> 
>   1634df06ea12 ("mshyperv: Introduce hv_get_hypervisor_version function")
> 
> I have reverted that commit for today.
> 
> -- 
> Cheers,
> Stephen Rothwell